Injector



FIG. 1 side view.

FIG. 2 perspective view.

FIG. 3 side view.

FIG. 4 perspective view.

FIG. 5 side view.

FIG. 6 perspective view.

FIG. 7 side view without a cover; and,

FIG. 8 perspective view without a cover.

The bottom portion of the injector not shown in the drawing or described in the specification forms no part of the claimed design. 

I claim the ornamental design for an injector, as shown. 